package day06;

import com.sun.org.apache.xpath.internal.operations.Plus;

import java.util.Arrays;

public class HomeWork {
    public static void main(String[] args) {
        int[] arr = new int[10];
        for (int i = 0; i < arr.length; i++) {
            arr[i] = (int) (Math.random() * 100);
            System.out.println(arr[i]);
        }
        int max = arr[0];
        for (int i = 0; i < arr.length; i++) {
            if (arr[i] > max) {
                max = arr[i];
            }
        }
        System.out.println("最大值为：" + max);
        arr = Arrays.copyOf(arr, arr.length + 1);
        arr[arr.length - 1] = max;
        for (int i = 0; i < arr.length; i++) {
            System.out.println(arr[i]);
        }

        say();
        sayHi("zhangsan");
        sayHello("zhangsan", 25);
        double a = getNum();
        System.out.println(a);
        int b = Plus(5, 6);
        System.out.println(b);
        int m = 5, n = 6;
        int c = Plus(m, n);
        System.out.println(c);
        int[] d = testArray(5, 100);
        System.out.println("数组的长度为：" + d.length);
        for (int i = 0; i < d.length; i++) {
            System.out.println(d[i]);
        }
        int[] e = testArray(8, 20);
        System.out.println("第1个元素的值为：" + e[0]);
        for (int i = 0; i < e.length; i++) {
            System.out.println(e[i]);
        }

    }

    public static void say() {
        System.out.println("大家好，我叫WKJ，今年38岁了");

    }

    public static void sayHi(String name) {
        System.out.println("大家好，我叫" + name + ",今年38岁了");

    }

    public static void sayHello(String name, int age) {
        if (age > 60) {
            return;
        }
        System.out.println("大家好，我叫" + name + ",今年" + age + "岁了");

    }

    public static double getNum() {
        return 8.88;
    }

    public static int Plus(int num1, int num2) {
        int num = num1 + num2;
        return num;

    }

    public static int[] testArray(int len, int max) {
        int[] arr = new int[len];
        for (int i = 0; i < arr.length; i++) {
            arr[i] = (int) (Math.random() * (max + 1));
        }

        return arr;
    }


}



